Ermias Tilahun MD Sc
NPI 1134166606 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ermias Tilahun MD Sc is a Internal Medicine Physician organization in Chicago, IL (NPI 1134166606).
Provider details
- NPI number
- 1134166606
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ermias Tilahun, President/Owner(773) 907-3550
- License
- 036094888 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Tilahun & Sirinian Medical Group
- Doing business as
- Tilahun & Sirinian Medical Group
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2021-01-06
- Certified
- 2021-01-06
Frequently asked questions
- What is Ermias Tilahun MD Sc's NPI number?
- Ermias Tilahun MD Sc's National Provider Identifier (NPI) is 1134166606, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ermias Tilahun MD Sc?
- Ermias Tilahun MD Sc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ermias Tilahun MD Sc located?
- Ermias Tilahun MD Sc's practice location on file with NPPES is 5015 N Paulina St Ste 101, Chicago, IL 60640-2756.
- What is Ermias Tilahun MD Sc's phone number?
- The practice phone number listed in the NPPES registry for Ermias Tilahun MD Sc is (773) 907-3550.
- Does Ermias Tilahun MD Sc accept Medicare?
- Ermias Tilahun MD Sc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Ermias Tilahun MD Sc?
- The authorized official listed on Ermias Tilahun MD Sc's NPPES record is Ermias Tilahun, President/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ermias Tilahun MD Sc's NPI active?
- Yes — Ermias Tilahun MD Sc's NPI (1134166606) is active in the NPPES registry as of the last update on 2021-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.